Automated telephone messaging systems have dramatically expanded communi- cation about health service appointments, but few studies have directly investi- gated these messages. The present study investigated whether message repetition (l, 2, or 3 presentations) and listener age (mean age = 7l or l9 years) improved memory for automated appointment messages. Repetition improved older and younger adult memory for appointment information. Moreover, 2 presentations reduced age differences in accuracy of answering questions about the messages. This was not the case for free recall, suggesting that older adults differentially benefited from repetition only when provided with additional retrieval support. These findings show that older as well as younger adults benefit from at least l repetition of appointment messages. Actual or potential applications of this re- search include the use of repetition to improve comprehension of automated tele- phone messages.
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